1
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Direction : Consider the following for the items that follow :
The roots of the quadratic equation
a2(b2 - c2)x2 + b2(c2 - a2)x + c2(a2 - b2) = 0 are equal (a2 ≠ b2 ≠ c2).
Which one of the following is a root of the equation?
2
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
lf f(x) = [x]2 - 30[x] + 221 = 0, where [x] is the greatest integer function, then what is the sum of all integer solutions?
3
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
f f(x) = 9x - 8√x such that g(x) = f(x) - 1, then which one of the following is correct?
4
NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
If $\sqrt{2}$ and $\sqrt{3}$ are roots of the equation $a_0 + a_1 x + a_2 x^2 + a_3 x^3 + x^4 = 0$ where $a_0, a_1, a_2, a_3$ are integers, then which one of the following is correct?
Questions Asked from Quadratic Equations and Inequalities (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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